20684448

素因数分解:

$2^5\times 3^2\times {\mathrm{71821}}^1$

素因数の和:71837

約数の個数: 36

約数和(自身を含む): 58822218

約数和(自身を除く): 38137770

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 71821, 143642, 215463, 287284, 430926, 574568, 646389, 861852, 1149136, 1292778, 1723704, 2298272, 2585556, 3447408, 5171112, 6894816, 10342224, 20684448]

約数ペア:

[(1, 20684448), (2, 10342224), (3, 6894816), (4, 5171112), (6, 3447408), (8, 2585556), (9, 2298272), (12, 1723704), (16, 1292778), (18, 1149136), (24, 861852), (32, 646389), (36, 574568), (48, 430926), (72, 287284), (96, 215463), (144, 143642), (288, 71821)]